Impulsive Maneuvers [Odyssey]

Impulsive Maneuvers [Odyssey]Set: Odyssey Type: Enchantment Rarity: Rare Cost: {2}{R}{R} Whenever a creature attacks, flip a coin. If you win the flip, the next time that creature would deal combat damage this turn, it deals double that damage instead. If you lose the flip, the next time that creature would deal combat damage this turn, prevent that damage.

Penitent Warlord is enchanted

to the tangled woods of Kessig

Psychic Stimulus — {T}: Add {C}{C}

Whenever Elder Brain attacks a player

Set: EX: Deoxys Type: Fire Rarity: Rare Retreat cost: Colorless

I'll keep watch

Set: The Brothers' War Type: Instant Rarity: Common Cost: {W} Target artifact or creature gains hexproof and indestructible until end of turn

Set: Platinum: Supreme Victors Type: Metal Rarity: Promo Retreat cost: Colorless

Set: Eternal Masters Type: Creature — Cephalid Rarity: Common Cost: {3}{U} Threshold — As long as seven or more cards are in your graveyard

This one seemed especially promising

Each temple is a door to a horrible future

Set: Mystery Booster Type: Instant Rarity: Common Cost: {B} Target creature gets +2/+1 until end of turn